28273294

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2801}}^1$

素因数の和:2920

約数の個数: 24

約数和(自身を含む): 49830768

約数和(自身を除く): 21557474

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2801, 5047, 5602, 10094, 19607, 39214, 137249, 274498, 288503, 577006, 2019521, 4039042, 14136647, 28273294]

約数ペア:

[(1, 28273294), (2, 14136647), (7, 4039042), (14, 2019521), (49, 577006), (98, 288503), (103, 274498), (206, 137249), (721, 39214), (1442, 19607), (2801, 10094), (5047, 5602)]